I have played every single level of nsmb except level 3 on Wolrd 4. Why? Because when you made it through the level, the game crashes immediately after mario grinds down the flag and goes through the door.

I clicked [YES] and nothing happens, dolphin crashes. On clicking [NO] it also crashes.
I have tested this on rev 4682, 4709 and 4710.

The prefix and memory address are variable. I just played the level again and it shows: "Unknown pointer address prefix 35, report this to the devs: 0x3596065B".

I think the reason this bug hasn't been reported yet, is because it's not necessary to play Level 4-3 to play through the game! But I just wanted to get all Star Coins to play all levels on (secret) World 9.

what safe texture cache does is that whenever the cache deletes a texture it checks to see that the texture has been deleted, and when it is going to use a texture it checks to see that the texture is valid , and it makes sure that textures have been created successfully